Robert Dickson and Sean Waddilove lie 14th overall in the 49er class and have three more races tomorrow to try and make it into the top 10 and progress to the final.
The Irish duo needed to bounce back from the disappointment of their disqualification from yesterday's two races over a harness weight issue, however, they were steady in the first race coming in eighth but struggled in the second race coming in a lowly 18th before improving in the third race with a ninth place finish.
Speaking after the race to RTÉ Sport, Dickson said: "All we can do now is look forward. We have another three races to come and we are looking forward to them."
Waddilove said of yesterday's disqualification: "There's nothing we can do about it right now. Yesterday we did well... and we can be happy about how we sailed. We are well capable of competing with the best in the world here."
It will be a challenge to climb into the top 10 to make the final but Dickson said: "We're up for it. We're not too focussed on the results but in the processes, and that's all we can do."
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Five points separate the top four teams after nine of the 12 opening series races.
Britons Dylan Fletcher and Stuart Bithell are top of the leaderboard on 34 points, separated from reigning Olympic champions Peter Burling and Blair Tuke of New Zealand in second thanks to their superior placings in the previous races.
Spaniards Diego Botin Le Chever and Iago Lopez Marra are one point further back in third, with the Danish pairing of Jakob Precht Jensen and Jonas Warrer in fourth on 39.
The first sailing medals will be handed out on Saturday when the windsurfing competitions reach their climax.